Coding Decoding Worksheet
How to think it through (Letter by letter): Write the word above its code and compare each pair of letters. Find the rule: the same move (+1, −2 …), opposite letters (A ↔ Z, B ↔ Y), or the word reversed. Apply the same rule to the new word. After Z comes A again.
NameDateTime takenScore ___ / 40
- 1.If MILK is written as NROP, how is HAND written in the same code? (a) SZMW (b) RYLV (c) TANX (d) IBOE
- 2.If BALL is written as AZKK, how is HAND written in the same code? (a) FYLB (b) GZMC (c) IBOE (d) HAND
- 3.If NEST is written as UTFO, how is DOG written in the same code? (a) FNC (b) HPE (c) GOD (d) EPH
- 4.If COLD is written as EQNF, how is CAKE written in the same code? (a) AYIC (b) FDNH (c) ECMG (d) DBLF
- 5.If SHIP is written as TIJQ, how is GOLD written in the same code? (a) IQNF (b) EMPH (c) FNKC (d) HPME
- 6.If DOG is written as WLT, how is NEST written in the same code? (a) LUGF (b) MVHG (c) OFTU (d) NWIH
- 7.If MILK is written as NROP, how is SHIP written in the same code? (a) HSRK (b) TIJQ (c) GRQJ (d) ITSL
- 8.If LAMP is written as OZNK, how is WIND written in the same code? (a) CQLV (b) DRMW (c) XJOE (d) ESNX
- 9.If LION is written as ORLM, how is FISH written in the same code? (a) URHS (b) TQGR (c) GJTI (d) VSIT
- 10.If DESK is written as EFTL, how is BOAT written in the same code? (a) ANZS (b) UBPC (c) DQCV (d) CPBU
- 11.If STAR is written as RATS, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) JNNA (d) CPPL
- 12.If FISH is written as HSIF, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) TAOB (d) CPBU
- 13.If TREE is written as EERT, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) SYOT (d) TZPU
- 14.If CAT is written as XZG, how is LION written in the same code? (a) NQKL (b) ORLM (c) MJPO (d) PSMN
- 15.If DOG is written as FQI, how is BOAT written in the same code? (a) ERDW (b) ZMYR (c) CPBU (d) DQCV
- 16.If DRUM is written as BPSK, how is STAR written in the same code? (a) QRYP (b) UVCT (c) RSZQ (d) PQXO
- 17.If LION is written as OPJM, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
- 18.If PARK is written as KZIP, how is CAT written in the same code? (a) WYF (b) DBU (c) XZG (d) YAH
- 19.If SUN is written as VXQ, how is CAKE written in the same code? (a) ZXHB (b) ECMG (c) FDNH (d) GEOI
- 20.If HAND is written as SZMW, how is CAT written in the same code? (a) YAH (b) WYF (c) DBU (d) XZG
- 21.If NEST is written as MVHG, how is KITE written in the same code? (a) QSHW (b) OQFU (c) LJUF (d) PRGV
- 22.If LAMP is written as NCOR, how is TREE written in the same code? (a) WUHH (b) RPCC (c) VTGG (d) USFF
- 23.If HAND is written as DNAH, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
- 24.If KITE is written as ETIK, how is MILK written in the same code? (a) LMJN (b) JKHL (c) NJML (d) KLIM
- 25.If COLD is written as DPME, how is MILK written in the same code? (a) LHKJ (b) OKNM (c) NJML (d) LMJN
- 26.If LION is written as NOIL, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) TAOB (d) CPBU
- 27.If BALL is written as NNCD, how is MOON written in the same code? (a) PQQO (b) LMMK (c) OQQP (d) NOOM
- 28.If PEN is written as MDO, how is COLD written in the same code? (a) CKNB (b) EMPD (c) BNKC (d) DLOC
- 29.If TOYS is written as SYOT, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) FUJL (d) LJUF
- 30.If RAIN is written as IZRM, how is COLD written in the same code? (a) WKNV (b) DPME (c) XLOW (d) YMPX
- 31.If KITE is written as PRGV, how is SUN written in the same code? (a) TVO (b) HFM (c) GEL (d) IGN
- 32.If BOAT is written as ANZS, how is BALL written in the same code? (a) BALL (b) CBMM (c) AZKK (d) ZYJJ
- 33.If DESK is written as KSED, how is BELL written in the same code? (a) MMFC (b) CFMM (c) KKDA (d) LLEB
- 34.If MOON is written as NOOM, how is SUN written in the same code? (a) MTR (b) NUS (c) OVT (d) TVO
- 35.If SUN is written as MTR, how is NEST written in the same code? (a) TSEN (b) MDRS (c) SRDM (d) UTFO
- 36.If HAND is written as KDQG, how is WIND written in the same code? (a) ZLQG (b) TFKA (c) AMRH (d) YKPF
- 37.If PARK is written as NYPI, how is SUN written in the same code? (a) UWP (b) PRK (c) RTM (d) QSL
- 38.If DRUM is written as CQTL, how is NEST written in the same code? (a) NEST (b) OFTU (c) MDRS (d) LCQR
- 39.If BOOK is written as KOOB, how is DESK written in the same code? (a) EFTL (b) KSED (c) JRDC (d) LTFE
- 40.If DOG is written as WLT, how is BOAT written in the same code? (a) XKYF (b) YLZG (c) ZMAH (d) CPBU
Answer key
- SZMW
- GZMC
- HPE
- ECMG
- HPME
- MVHG
- HSRK
- DRMW
- URHS
- CPBU
- KOOB
- TAOB
- SYOT
- ORLM
- DQCV
- QRYP
- FFSU
- XZG
- FDNH
- XZG
- PRGV
- VTGG
- DNIW
- KLIM
- NJML
- TAOB
- PQQO
- CKNB
- ETIK
- XLOW
- HFM
- AZKK
- LLEB
- NUS
- SRDM
- ZLQG
- QSL
- MDRS
- KSED
- YLZG
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